#!/usr/bin/node
const log = console.log;

let buf1 = new Buffer(256);
buf1[0] = 0;

log(`buf1 length:${buf1.length}\n`);

let buf2 = buf1.slice(250,256);
log('buf2',buf2);


buf2.fill(0);
log('buf2',buf2);
log('buf2',buf2.toJSON());

let arr = ['a',0xba,0xdf,0,255,10];
let buf3 = new Buffer(arr);
log('buf3',buf3);

let str = 'hello world';
let buf4 = new Buffer(str);
log('buf4',buf4);

buf4.copy(buf3,0,0,buf4.length);
log('buf3',buf3);
